KUSUMA, Hardiyanti Lestari. ANALISIS PENGARUH CUSTOMER RELATIONSHIP MARKETING DAN LAYANAN PURNA JUAL TERHADAP KEPUASAN PELANGGAN. Operations Excellence: Journal of Applied Industrial Engineering, Jakarta, Indonesia, v. 9, n. 3, p. 236–248, 2018. Disponível em: https://publikasi.mercubuana.ac.id/index.php/oe/article/view/3815. Acesso em: 4 jun. 2026.